SARS
A new coronavirus variant named “Omicron” was discovered by South African health authorities, and has prompted many countries to react rapidly to its spread, with some banning travel with some southern African states, including Egypt.
"We clearly need massive action very quickly and urgently," Alexandre de Juniac, director-general of the International Air Transport Association (IATA), told reporters.
ET presents the past decade's deadliest viruses.
Scientists found that the virus that causes the COVID-19 disease had similar levels of viability outside the body to its predecessor that caused SARS.
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